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authorJeff Garzik <jgarzik@redhat.com>2007-10-23 20:19:37 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-23 21:27:50 -0700
commitbada339ba24dee9e143bfb42e1dc61f146619846 (patch)
tree69e14af15764a1b38d61cd1f0b55560e45779f23 /net/core/dev.c
parentc9927c2bf4f45bb85e8b502ab3fb79ad6483c244 (diff)
[NET]: Validate device addr prior to interface-up
Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/dev.c')
-rw-r--r--net/core/dev.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 872658927e4..f861555cc52 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1007,17 +1007,20 @@ int dev_open(struct net_device *dev)
* Call device private open method
*/
set_bit(__LINK_STATE_START, &dev->state);
- if (dev->open) {
+
+ if (dev->validate_addr)
+ ret = dev->validate_addr(dev);
+
+ if (!ret && dev->open)
ret = dev->open(dev);
- if (ret)
- clear_bit(__LINK_STATE_START, &dev->state);
- }
/*
* If it went open OK then:
*/
- if (!ret) {
+ if (ret)
+ clear_bit(__LINK_STATE_START, &dev->state);
+ else {
/*
* Set the flags.
*/
@@ -1038,6 +1041,7 @@ int dev_open(struct net_device *dev)
*/
call_netdevice_notifiers(NETDEV_UP, dev);
}
+
return ret;
}